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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">mimmun</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинская иммунология</journal-title><trans-title-group xml:lang="en"><trans-title>Medical Immunology (Russia)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1563-0625</issn><issn pub-type="epub">2313-741X</issn><publisher><publisher-name>SPb RAACI</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15789/1563-0625-2018-4-571-576</article-id><article-id custom-type="elpub" pub-id-type="custom">mimmun-1565</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES</subject></subj-group></article-categories><title-group><article-title>ВОЗРАСТНЫЕ ИЗМЕНЕНИЯ ВНУТРИОРГАННОГО СОСУДИСТОГО РУСЛА ТИМУСА В СРАВНИТЕЛЬНОМОРФОЛОГИЧЕСКОМ РЯДУ ПОЗВОНОЧНЫХ (CHORDATA, VERTEBRATA)</article-title><trans-title-group xml:lang="en"><trans-title>AGE-RELATED CHANGES OF VASCULAR BED WITHIN THYMUS GLAND IN MORPHOLOGICAL COMPARATIVE RANGE OF VERTEBRATE ANIMALS (CHORDATA, VERTEBRATA)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юрчинский</surname><given-names>В. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurchinskiy</surname><given-names>V. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., доцент кафедры биологии,</p><p>214000, г. Смоленск, ул. Пржевальского, 4</p></bio><bio xml:lang="en"><p>PhD, MD (Biology), Associate Professor, Department of Biology,</p><p>214000, Smolensk, Przhewalsky str., 4</p></bio><email xlink:type="simple">zool72@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБОУ ВО «Смоленский государственный университет»<country>Россия</country></aff><aff xml:lang="en">Smolensk State University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>25</day><month>06</month><year>2018</year></pub-date><volume>20</volume><issue>4</issue><fpage>571</fpage><lpage>576</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Юрчинский В.Я., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Юрчинский В.Я.</copyright-holder><copyright-holder xml:lang="en">Yurchinskiy V.Y.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.mimmun.ru/mimmun/article/view/1565">https://www.mimmun.ru/mimmun/article/view/1565</self-uri><abstract><p>К настоящему моменту, по причине дефицита сравнительно-морфологических работ, малоизученным оказывается вопрос возрастной изменчивости морфологических показателей сосудистого русла тимуса у представителей различных классов наземных позвоночных животных. Поэтому основная цель нашей работы заключалась в выявлении подобных зависимостей. Материалом для исследования послужил тимус позвоночных животных, относящихся к четырем классам: класс Земноводные (Amphibia), класс Пресмыкающиеся (Reptilia), класс Птицы (Aves), класс Млекопитающие (Mammalia), включая человека. Впервые с использованием методов световой микроскопии осуществлено сравнительно-морфологическое исследование возрастных изменений относительных показателей количества и площади сосудов микроциркуляторного русла коркового и мозгового вещества тимуса позвоночных животных и человека. Установлено, что количество и площадь сосудов микроциркуляторного русла коры и мозгового вещества тимуса зависит от возраста, таксономической принадлежности животного, а также условий окружающей среды. Выявлены также отличия возрастных изменений общей площади интраорганного кровеносного русла тимуса, включая крупные артериальные и венозные сосуды. Определены отличительные особенности возрастных изменений кровеносного русла тимуса человека. На основе проведенного исследования делаются выводы о роли возрастных изменений кровеносного русла тимуса в поддержании иммунологического статуса позвоночных. Полученные результаты имеют большое значение для фундаментальной и прикладной биологии и медицины и могут быть интересны широкому кругу исследователей, особенно в области иммунологии.</p></abstract><trans-abstract xml:lang="en"><p>At present time, the issue of age-dependence of morphological parameters of the thymus blood vessels in members of various terrestrial vertebrates classes has been poorly studied, due to the lack of comparative morphological approaches. Therefore, the main goal of our work was to specify this kind of dependences. We studied samples of thymus glands from vertebrate animals belonging to four classes: Amphibians, Reptilian, Aves, and Mammals, including humans. For the first time, using methods of light microscopy, we performed comparative morphological studies of thymic blood microvessels in animals and humans, looking for age dependence of these differences. It was found the number and area of microcirculatory bed in thymic cortex and medullary substance depends on age, taxonomic class of the animal as well as on the environmental conditions. We have also revealed age-related differences of the intra-organ vasculature in thymus, including large arteries and venous vessels. Some specific age-related changes were found for human thymic vascular bed. On the basis of our studies, we can make conclusions about functional role of age-related changes of thymic blood vessels in immunity. The results of this study are important for basic and applied biology and medicine, being of interest to researches, especially in immunology.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тимус</kwd><kwd>микроциркуляторное русло</kwd><kwd>позвоночные животные</kwd><kwd>возрастные изменения</kwd><kwd>сравнительная морфология</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thymus</kwd><kwd>vertebrate animals</kwd><kwd>correlation analysis</kwd><kwd>age-related changes</kwd><kwd>comparative morphology</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Клевезаль Г.А. Принципы и методы определения возраста млекопитающих. М.: КМК, 2007. 282 с. [Klevezal G.A. Principles and metods of determinations of mammals]. Moscow: KMK, 2007. 282 p.</mixed-citation><mixed-citation xml:lang="en">Клевезаль Г.А. Принципы и методы определения возраста млекопитающих. М.: КМК, 2007. 282 с. 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